- Participants are taken from an established intervention study aiming at creating network for different groups of vulnerable children and youth aged 10-23 years. The groups comprise: children in foster care, former foster youth, children of mental ill parents, children of parents with alcohol abuse and children raised in violent families. Participants who have given informed consent to take part in the evaluation of the established intervention study and thereby agree to fill out questionnaires and report their unique personal identification number are eligible to take part in the study.